128730605868480 has 224 divisors, whose sum is σ = 509572580405760. Its totient is φ = 26749216788480.

The previous prime is 128730605868467. The next prime is 128730605868497. The reversal of 128730605868480 is 84868506037821.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870668815 + ... + 870816654.

Almost surely, 2^{128730605868480} is an apocalyptic number.

128730605868480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128730605868480 is an abundant number, since it is smaller than the sum of its proper divisors (380841974537280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128730605868480 is a wasteful number, since it uses less digits than its factorization.

128730605868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741485507 (or 1741485497 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 66.

The spelling of 128730605868480 in words is "one hundred twenty-eight trillion, seven hundred thirty billion, six hundred five million, eight hundred sixty-eight thousand, four hundred eighty".